Q. Which of the following statements is true regarding the complex [Ag(NH3)2]+? (2023)
A.
It is a tetrahedral complex.
B.
It is a square planar complex.
C.
It is a linear complex.
D.
It is an octahedral complex.
Show solution
Solution
[Ag(NH3)2]+ is a linear complex because silver (Ag) has a coordination number of 2 with two bidentate ligands.
Correct Answer:
C
— It is a linear complex.
Learn More →
Q. Which of the following statements is true regarding the complex [Cr(NH3)6]3+? (2023)
A.
It is tetrahedral
B.
It is octahedral
C.
It is square planar
D.
It has a coordination number of 4
Show solution
Solution
The complex [Cr(NH3)6]3+ is octahedral with a coordination number of 6, as it is surrounded by six ammonia ligands.
Correct Answer:
B
— It is octahedral
Learn More →
Q. Which of the following statements is true regarding the equilibrium constant? (2020)
A.
Kc is temperature dependent
B.
Kc is pressure dependent
C.
Kc is concentration dependent
D.
Kc is independent of temperature
Show solution
Solution
The equilibrium constant Kc is dependent on temperature; changing the temperature will change the value of Kc.
Correct Answer:
A
— Kc is temperature dependent
Learn More →
Q. Which of the following states of matter has the weakest intermolecular forces? (2023)
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
Show solution
Solution
Gases have the weakest intermolecular forces, allowing particles to move freely.
Correct Answer:
C
— Gas
Learn More →
Q. Which of the following structures has the highest packing efficiency? (2019)
A.
Simple cubic
B.
Body-centered cubic
C.
Face-centered cubic
D.
Hexagonal close-packed
Show solution
Solution
The face-centered cubic (FCC) structure has the highest packing efficiency of approximately 74%.
Correct Answer:
C
— Face-centered cubic
Learn More →
Q. Which of the following types of solids has the highest melting point? (2019)
A.
Ionic solids
B.
Covalent network solids
C.
Molecular solids
D.
Metallic solids
Show solution
Solution
Covalent network solids, such as diamond, have the highest melting points due to the strong covalent bonds throughout the structure.
Correct Answer:
B
— Covalent network solids
Learn More →
Q. Which phase change occurs at the boiling point of a substance? (2022)
A.
Melting
B.
Sublimation
C.
Condensation
D.
Vaporization
Show solution
Solution
Vaporization occurs at the boiling point when a liquid turns into gas.
Correct Answer:
D
— Vaporization
Learn More →
Q. Which polymer is commonly used in the production of fibers for clothing? (2020)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is commonly used in the production of fibers for clothing due to its strength and elasticity.
Correct Answer:
B
— Nylon
Learn More →
Q. Which polymer is commonly used in the production of non-stick cookware? (2023)
A.
Polyethylene
B.
Polytetrafluoroethylene (PTFE)
C.
Polypropylene
D.
Polyvinyl chloride (PVC)
Show solution
Solution
Polytetrafluoroethylene (PTFE), commonly known as Teflon, is used in non-stick cookware due to its low friction properties.
Correct Answer:
B
— Polytetrafluoroethylene (PTFE)
Learn More →
Q. Which polymer is commonly used in the production of synthetic fibers? (2023)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
Show solution
Solution
Nylon is a synthetic polymer widely used in the production of synthetic fibers for clothing and textiles.
Correct Answer:
B
— Nylon
Learn More →
Q. Which quantum number is not required to describe the electron in an atom? (2019)
A.
Principal quantum number
B.
Azimuthal quantum number
C.
Magnetic quantum number
D.
Color quantum number
Show solution
Solution
Color quantum number is not a valid quantum number for describing electrons in an atom.
Correct Answer:
D
— Color quantum number
Learn More →
Q. Which reaction is characteristic of carboxylic acids? (2021)
A.
Esterification
B.
Hydrogenation
C.
Halogenation
D.
Dehydration
Show solution
Solution
Esterification is a characteristic reaction of carboxylic acids, where they react with alcohols to form esters.
Correct Answer:
A
— Esterification
Learn More →
Q. Which reaction is used to prepare carboxylic acids from alcohols? (2020)
A.
Oxidation
B.
Reduction
C.
Hydrolysis
D.
Dehydration
Show solution
Solution
Oxidation of alcohols leads to the formation of carboxylic acids.
Correct Answer:
A
— Oxidation
Learn More →
Q. Which reaction is used to prepare primary amines from alkyl halides? (2022)
A.
Reduction
B.
Hydrolysis
C.
Nucleophilic substitution
D.
Dehydrohalogenation
Show solution
Solution
Primary amines can be prepared from alkyl halides through nucleophilic substitution reactions with ammonia.
Correct Answer:
C
— Nucleophilic substitution
Learn More →
Q. Which reagent is used to convert an alcohol into an alkyl halide? (2022)
A.
PCl5
B.
NaBH4
C.
LiAlH4
D.
H2SO4
Show solution
Solution
PCl5 is commonly used to convert alcohols into alkyl halides through a substitution reaction.
Correct Answer:
A
— PCl5
Learn More →
Q. Which reagent is used to convert an amine to an amide? (2023)
A.
Acid chloride
B.
Alcohol
C.
Aldehyde
D.
Ketone
Show solution
Solution
An acid chloride is used to convert an amine to an amide through acylation.
Correct Answer:
A
— Acid chloride
Learn More →
Q. Which state of matter has the highest density under normal conditions? (2023)
A.
Gas
B.
Liquid
C.
Solid
D.
Plasma
Show solution
Solution
Solids generally have the highest density due to closely packed particles.
Correct Answer:
C
— Solid
Learn More →
Q. Which type of crystal system has the highest symmetry? (2022)
A.
Cubic
B.
Tetragonal
C.
Orthorhombic
D.
Monoclinic
Show solution
Solution
The cubic crystal system has the highest symmetry among all crystal systems.
Correct Answer:
A
— Cubic
Learn More →
Q. Which type of solid has a definite melting point and is composed of molecules held together by van der Waals forces? (2022)
A.
Ionic solid
B.
Metallic solid
C.
Molecular solid
D.
Covalent solid
Show solution
Solution
Molecular solids are composed of molecules held together by van der Waals forces and have a definite melting point.
Correct Answer:
C
— Molecular solid
Learn More →
Q. Which type of solid has a definite melting point and is usually hard and brittle? (2022)
A.
Molecular solids
B.
Ionic solids
C.
Metallic solids
D.
Amorphous solids
Show solution
Solution
Ionic solids have a definite melting point and are typically hard and brittle due to the strong ionic bonds between the ions.
Correct Answer:
B
— Ionic solids
Learn More →
Q. Which type of solid has a definite melting point? (2022)
A.
Amorphous solid
B.
Crystalline solid
C.
Polymeric solid
D.
Metallic solid
Show solution
Solution
Crystalline solids have a definite melting point due to their ordered structure, unlike amorphous solids which melt over a range of temperatures.
Correct Answer:
B
— Crystalline solid
Learn More →
Q. Which vitamin is a coenzyme in the metabolism of carbohydrates? (2019)
A.
Vitamin A
B.
Vitamin B1
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin B1 (thiamine) acts as a coenzyme in carbohydrate metabolism.
Correct Answer:
B
— Vitamin B1
Learn More →
Q. Which vitamin is essential for blood clotting? (2023)
A.
Vitamin K
B.
Vitamin E
C.
Vitamin A
D.
Vitamin D
Show solution
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer:
A
— Vitamin K
Learn More →
Q. Which vitamin is known to be a coenzyme in carbohydrate metabolism? (2019)
A.
Vitamin A
B.
Vitamin B1
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin B1 (thiamine) acts as a coenzyme in the metabolism of carbohydrates.
Correct Answer:
B
— Vitamin B1
Learn More →
Q. Which vitamin is primarily involved in vision? (2020)
A.
Vitamin A
B.
Vitamin C
C.
Vitamin D
D.
Vitamin E
Show solution
Solution
Vitamin A is essential for the formation of rhodopsin, a pigment in the retina that is crucial for vision.
Correct Answer:
A
— Vitamin A
Learn More →
Q. Which vitamin is primarily obtained from citrus fruits? (2021)
A.
Vitamin A
B.
Vitamin B12
C.
Vitamin C
D.
Vitamin D
Show solution
Solution
Vitamin C is abundant in citrus fruits like oranges, lemons, and grapefruits.
Correct Answer:
C
— Vitamin C
Learn More →
Showing 601 to 626 of 626 (21 Pages)
Chemistry (NEET) MCQ & Objective Questions
Chemistry is a crucial subject for students preparing for NEET and other competitive exams in India. Mastering Chemistry (NEET) is essential not only for scoring well but also for building a strong foundation in scientific concepts. Practicing MCQs and objective questions can significantly enhance your exam preparation, allowing you to tackle important questions with confidence.
What You Will Practise Here
Fundamental concepts of Physical Chemistry
Organic Chemistry reactions and mechanisms
Inorganic Chemistry periodic table trends
Stoichiometry and chemical calculations
Equilibrium and thermodynamics principles
Important definitions and key formulas
Diagrams related to chemical structures and reactions
Exam Relevance
Chemistry is a significant part of the syllabus for CBSE, State Boards, NEET, and JEE. In these exams, questions often focus on conceptual understanding and application of theories. You can expect a mix of direct questions, application-based problems, and conceptual MCQs that test your knowledge of key topics. Familiarity with common question patterns will help you navigate the exam more effectively.
Common Mistakes Students Make
Overlooking the importance of units in calculations
Confusing similar concepts in Organic Chemistry
Neglecting to balance chemical equations correctly
Misinterpreting questions that involve multiple steps
Failing to memorize essential definitions and formulas
FAQs
Question: What are the best ways to prepare for Chemistry (NEET) MCQs?Answer: Regular practice of MCQs, understanding core concepts, and revising key formulas are effective strategies.
Question: How can I improve my speed in solving Chemistry (NEET) objective questions?Answer: Time yourself while practicing and focus on familiarizing yourself with common question types.
Start solving practice MCQs today to test your understanding and boost your confidence in Chemistry (NEET). Remember, consistent practice is the key to success!